Tu Youyou is the first Chinese female scientist who was awarded a Nobel Prize. She studied medicine and     1     a deep knowledge about traditional practices, which enabled her to be     2     to establish a team to find a cure for malaria in 1969. With the idea that Chinese herbs might hold the secret, Tu Youyou and her team studied some related literature and     3     a lot of researches with limited resources. They     4     modern research methods to study these Chinese herbs one by one. After hundreds of failed     5    , they eventually came across a     6     chemical. Tu Youyou bravely volunteered to be the first human subject in the     7     on humans. The chemical they     8    , artemisinin, has now become the world’s most effective drug for fighting malaria. As one of the most     9     figures of science in the 20th Century, she is not interested in fame and she continues to do research today     10     her age. What she did not only saved millions of lives, but also bridged the Eastern and Western worlds.

Finally, in the 20th century, the southern part of Ireland     1     the UK, which     2     the full name we have today: the United Kingdom of Great Britain and Northern Ireland. Most people just use the     3     name: “the United Kingdom” or “the UK”. People from the UK are called “British”, which means the UK is also often     4     as Britain or Great Britain.

Jan Tchamani, an English teacher in Birmingham, UK, suddenly developed a serious illness and had to quit her job. At age 50, she found herself out of work and     1     at home with only her computer to     2    . After a while, she discovered that     3     the Internet could help her feel less lonely and bored. She could listen to music, watch films, play games, and explore the world. She also joined an online group where she could talk about her problems and get support and advice from others. She realised that one of the greatest benefits of the Internet was its ability to remove the     4     that usually exists between people.